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Hanoi weather in August 2025
Expect daytime maximum temperatures of 90°F in Hanoi, Vietnam in August and very high heat and humidity based on long-term weather averages. There are 6 hours of sunshine per day on average with 17 days with some rainfall and typically 11.7 inches of rainfall in the month.
- 90°F max day temperature
90 - 6 hours of sunshine per day
- 17 days with some rainfall
17 - 79°F min night temperature
79 - 13 hours of daylight per day
13 - Very High heat & humidity
VH - 11.7 inches of monthly rainfall
11.7 - 11+ (Extreme) UV index
11
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Recommended for Vietnam
The August weather guide for Vietnam (Hanoi) shows long term weather averages processed from data supplied by CRU (University of East Anglia), the Met Office & the Netherlands Meteorological Institute. Find out more about our data sources.
Metric (°C) | Imperial (°F)
More about Vietnam
How hot is it in Hanoi in August?
Daytime temperatures usually reach 90°F in Hanoi in August with very high heat and humidity, falling to 79°F at night.
How sunny is it in Hanoi in August?
There are normally 6 hours of bright sunshine each day in Hanoi in August - that's 44% of daylight hours.
Does it rain in Hanoi in August?
There are usually 17 days with some rain in Hanoi in August and the average monthly rainfall is 11.7 inches.
What is the chance of a typhoon in Hanoi in August?
On average 2.3 days in August in Hanoi are likely to be affected by the passage of one or more tropical storms.
Hanoi August sunrise & sunset times
Browse the sunrise and sunset times for Hanoi in August 2025. Select a month to view Hanoi sunrise and sunset times for the next 12 months.
JanFebMarAprMayJunJulAugSepOctNovDec
| Date | Sunrise times | Sunset times |
|---|---|---|
| Friday, 1st August 2025 | 05:30 | 18:35 |
| Saturday, 16th August 2025 | 05:36 | 18:26 |
| Sunday, 31st August 2025 | 05:40 | 18:14 |
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